Fix recording of compile errors
[gruntmaster-daemon.git] / lib / Gruntmaster / Daemon / Format.pm
1 package Gruntmaster::Daemon::Format;
2
3 use 5.014000;
4 use strict;
5 use warnings;
6 use parent qw/Exporter/;
7 no if $] > 5.017011, warnings => 'experimental::smartmatch';
8
9 use POSIX qw//;
10 use File::Basename qw/fileparse/;
11 use File::Slurp qw/write_file/;
12 use Gruntmaster::Daemon::Constants qw/TLE OLE DIED NZX/;
13 use Time::HiRes qw/alarm/;
14 use List::MoreUtils qw/natatime/;
15 use Log::Log4perl qw/get_logger/;
16 use IPC::Signal qw/sig_name sig_num/;
17
18 our $VERSION = "5999.000_001";
19 our @EXPORT_OK = qw/prepare_files/;
20
21 ##################################################
22
23 sub command_and_args{
24 my ($format, $basename) = @_;
25
26 given($format) {
27 "./$basename" when [qw/C CPP PASCAL/];
28 "./$basename.exe" when 'MONO';
29 "java $basename" when 'JAVA';
30 "perl $basename" when 'PERL';
31 "python $basename" when 'PYTHON';
32 default { die "Don't know how to execute format $format" }
33 }
34 }
35
36 sub mkrun{
37 my $format = shift;
38 sub{
39 my ($name, %args) = @_;
40 my $basename = fileparse $name, qr/\.[^.]*/;
41 my $ret = fork // die 'Cannot fork';
42 if ($ret) {
43 my $tle;
44 local $SIG{ALRM} = sub { kill KILL => $ret; $tle = 1};
45 alarm $args{timeout} if exists $args{timeout};
46 wait;
47 alarm 0;
48 my $sig = $? & 127;
49 my $signame = sig_name $sig;
50 die [TLE, "Time Limit Exceeded"] if $tle;
51 die [OLE, 'Output Limit Exceeded'] if $sig && $signame eq 'XFSZ';
52 die [DIED, "Crash (SIG$signame)"] if $sig;
53 die [NZX, "Non-zero exit status: " . ($? >> 8)] if $?;
54 } else {
55 my @fds = exists $args{fds} ? @{$args{fds}} : ();
56 $^F = 50;
57 POSIX::close $_ for 0 .. $^F;
58 my $it = natatime 2, @fds;
59 while (my ($fd, $file) = $it->()) {
60 open my $fh, $file or die $!;
61 my $oldfd = fileno $fh;
62 if ($oldfd != $fd) {
63 POSIX::dup2 $oldfd, $fd or die $!;
64 POSIX::close $oldfd or die $!;
65 }
66 }
67 exec 'gruntmaster-exec', $args{mlimit} // 0, $args{olimit} // 0, command_and_args($format, $basename), exists $args{args} ? @{$args{args}} : ();
68 exit 42
69 }
70 }
71 }
72
73 sub prepare{
74 my ($name, $format) = @_;
75 get_logger->trace("Preparing file $name...");
76
77 $Gruntmaster::Daemon::errors .= `gruntmaster-compile $format $name 2>&1`;
78 $Gruntmaster::Daemon::errors .= "\n";
79 die 'Compile error' if $?
80 }
81
82 sub prepare_files{
83 my $meta = shift;
84
85 for my $file (values $meta->{files}) {
86 my ($format, $name, $content) = @{$file}{qw/format name content/};
87
88 $file->{run} = mkrun($format);
89 write_file $name, $content;
90 prepare $name, $format;
91 }
92 }
93
94 1;
95 __END__
96
97 =encoding utf-8
98
99 =head1 NAME
100
101 Gruntmaster::Daemon::Format - Utility functions for handling source files
102
103 =head1 SYNOPSIS
104
105 use Gruntmaster::Daemon::Format qw/prepare_files/;
106 prepare_files { files => {
107 prog => {
108 name => 'prog.pl',
109 format => 'PERL',
110 content => 'print "Hello, world!"'
111 },
112 ver => {
113 name => 'ver.cpp',
114 format => 'CPP',
115 content => ...
116 },
117 }};
118
119 =head1 DESCRIPTION
120
121 Gruntmaster::Daemon::Format exports utility functions for handling source files.
122
123 =over
124
125 =item B<prepare_files> I<$meta>
126
127 Compiles all the source files in C<< $meta->{files} >>.
128
129 =back
130
131 =head1 AUTHOR
132
133 Marius Gavrilescu E<lt>marius@ieval.roE<gt>
134
135 =head1 COPYRIGHT AND LICENSE
136
137 Copyright (C) 2014 by Marius Gavrilescu
138
139 This library is free software: you can redistribute it and/or modify
140 it under the terms of the GNU Affero General Public License as published by
141 the Free Software Foundation, either version 3 of the License, or
142 (at your option) any later version.
143
144
145 =cut
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